SPECIAL REPAIRS TO REPLACEMENT OF CI PIPES WITH DI PIPES FROM S2 SUMP TO OFFICERS RESIDENTIAL AREA (PHASE I) 300/400 LANE AT INA, EZHIMALA

Amount

NOTE: a). The contractor has to visit the site before quoting the tender as the pipe lines could not be changed in single go and for better undertstanding of site terrain. b). The contractor has to ensure disconnection of existing line and interconnection with new line on same day in phase wise to avoid interruption to water supply to the residents as per direction of Engr-In- Charge. A penal recovery of Rs. 1000 per hour shall be deducted if Engr- in-charge is not satified with delay reasons. c). The excavation shall be done manually with proper care along with the existing electric/communication cables. d). The contractor shall submit layout of pipe line along with final bill. e). The replacement of pipeline work should be carried out in phased manner as instructed by Engr-IN-Charge as to less interruption to water supply ro residents.

Excavating in trenches, n exc 1.5 m wide and n exc 1.5 m in depth for laying pipes in trenches/rectification of leakages and getting out in soft/loose soil complete all as specified and directed by Engr-In-Charge

All as per item No.1 above but getting out in hard/dense soil complete all as specified and as directed.

All as per item No.2 above but exceeding 1.5m n exceeding 3m in depth complete all as specified and as directed.

All as per item No.2 above but exceeding 3m n exceeding 4.5m in depth complete all as specified and as directed.

Returning, filling in, including spreading, levelling, watering and well ramming in layers not exc 25cm in any type of soil complete all as specified and as directed.

Removing excavated soil not exc 50m and depositing where directed at level not exc 1.5m above the starting point complete all as specified and as directed.

M&L for RCC M-30 (using 20mm graded aggregate) for foundation, base of columns, under reamed piles and mass concrete for pillars suitable to support DI pipe lines of size upto 250mm in inclined surfaces where continous excavation is not possible complete all as specified and as directed.

M&L for cement concrete 1:2:4, type B1(using 20mm graded aggregate) for mass concrete for pillars suitable to support DI pipe lines of size upto 250mm intermediately at bends or slopes as required at site including necessary form work complete all as specified and as directed.

M&L for Formwork to sides of concrete foundations, footings, bases of columns, raft and raft beams, sides and soffits (if any) of foundation and plinth beams; and similar work; vertical or to batter on curved fair finished surfaces at different locations as pillar support for pipe line complete all as specified and as directed.

M&L TMT bars 10mm dia as in reinforcement, cut to length bent to shape, required including cranking, bending spirally, for columns, hooking ends and binding with and including mild steel wire(annealed) not less than 0.9mm dia complete all as specified and as directed.

All as per item No 10 above but 5mm dia and over upto and including 10mm dia in stirrups, spacers and binders all as complete all as specified and as directed.

Material and labour for cutting the existing road/hard standing made of concrete or premix carpet, WBM, soling and moorum filling including excavating for laying the cable/pipe, width 0.6m and depth 0.2m all as directed and making good the road/hard standing using pre mix bituminous as required at site to match with the existing surface complete all as specified and as directed by Engineer-in-Charge. NOTE: Cutting shall be done with prior permission of GE and without disturbing road connectivity all as directed by Engr-in-charge .

Dismantling of CI pipes lead/tyton joints, and taking out from the trenches and removing to store of the following sizes: - Note : Earth work excavation shall be measured and paid seperatly.

(a) 250mm bore

(b) 200mm bore

(c) 150mm bore

(d) 80mm bore

Taking out old unserviceable brass ferrule of any size all as directed.

M&L for disconnecting of old CI specials/valves from pipe line and removing to store of following sizes:- Note : CI specials/valves and jointing shall be measured and paid separately.

(a) 250mm bore

(b) 150 mm bore

(c) 80mm bore

Supply and lay DI pipes spigot and socket ends centrifugally cast class K9 in any length laid in trenches of following sizes complete all as specified and as directed :- Note:- Fittings shall be measured and paid separately

(a) 250mm bore

(b) 200mm bore

(c) 150mm bore

(d) 100mm bore

(b) 80mm bore

Supply and fix in repairs of DI specials suitable for K9 pipes such as bends (any type, radius and angle) tapers any type (straight, bend, or double sockets etc) Tee pieces, single branch 'Y' junction, double branch (all sockets or socket and spigot) cross, collars caps and plugs etc for pipe of following sizes complete all as specified and as directed. (a) dia up to 150mm bore.

(b) 200 to 300mm bore

Material and labour for tyton joints with rubber gasket for DI spigot and socket pipes and fitting of the following sizes:-

(a) 250mm bore

(b) 200mm bore

(c) 150mm bore

(d) 100 mm bore

(d) 80 mm bore

Supply and fix sluice valve, non-rising spindle flanged end of class PN 1.6 with stainless steel spindle with all accessories suitable for following size conforming to IS specification all as specified and as directed (a) 250mm dia,

(b) 200mm bore

(c) 150mm bore

(d) 100 mm bore

(e) 80 mm bore

(f) 50 mm bore

Supply and fix CI reflux valve with by pass arrangement 250mm dia all as specified and as directed.

Supply and fix CI, ARV (Air Release Valve) with single air outlets, 50mm dia bore, flanged and drilled type 250/150/80mm dia pipe line complete all as specified and as directed.

Supply, installation, testing, commissioning and caliberation of 250mm dia flanged cast iron, analog type water meter, class A, max flow 5cum per hour, 360 revolving dial and upto 8 digit complete all as specified and as directed.

M&L cutting CI/DI pipe in position for inserctions of DI specials of the following sizes complete all as specified and as directed by Engineer-in-Charge. NOTE: a). Earth work excavation and DI specials shall be measured seperately.

(a) 250mm bore

(b) 150mm bore

(c) 100mm bore

(d) 80mm bore

Material and labour for MJ Collar with Nut and Bolt suitable for interconnection of unserviceable CI pipes with DI pipes including taking out old unserviceable collar of following sizes of CI pipe complete all as specified and as directed: -

(a) 80 mm bore

(b) 100 mm bore

(c) 150mm bore

(d) 250mm bore

Supply and fix straight plain brass ferrules (or connecting screws)screwed both ends and fixed complete all as specified and as directed.

M&L for drilling of 20mm internal dia and tapping CI water mains in position for fixing of ferrules connections complete all as specified and as directed.

Supply and fix Gun metal globe/gate valves of size 20mm with iron wheel head screwed both ends for iron pipe, confirming to IS specification all as specified

Material and labour for construction of valve chamber of internal size 900mm x 900mm x 900mm with , foundation PCC 1:4:8 type D2 (100mm thick) laterite stone masonry 200 mm thick in cement mortar 1:4, PCC 1:2:4 type B1 for coping (75 mm thick) , rendering in cement mortar 1:4 ,15 mm thick on both internal and external surfaces (15cm below GL) including provision of MS sheet cover 3 mm thick and 40x6 mm flat frame, 50x6 mm hold fast embedded in coping with two coat of synthetic enamel paint over a coat of red oxide primer with necessary 3 coats white wash on external surfaces, earth work and excavation, handle of 12mm dia MS rod etc complete all as specified and as directed by Engr-in-charge.

S&F water pipe line route indicator of marking DI pipe on cement concrete pillar of size 20x20x45cm (20cm below ground level)complete all as specified and as directed by Engr-in-charge.

M&L clearing vegetation/cutting of branches of tree of girth upto 30cm along the sides of pipe line route passing through complete all as specified and as directed by Engr-in-charge.

Schedule of Credit (Minus) Rs. 173520.00 NOTE: Bidder shall insert credit amount of Rs. 173520.00 as rate in Green field under Col-5.

KDR CONSTRUCTION (BID ID -3316130)

SANDR (BID ID -3315559)

M/S V ASSOCIATES (BID ID -3325220)